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WanderNerd

Flight Reliability

DL 1124 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1124 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

72%
Arrive within 15 minutes
16 min
Average arrival delay
2.0%
Cancelled
2 min early
Median arrival delay

Based on 442 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon69%(72 flights)
  • Tue79%(48 flights)
  • Wed83%(46 flights)
  • Thu76%(71 flights)
  • Fri71%(72 flights)
  • Sat60%(53 flights)
  • Sun65%(69 flights)
On-time by departure window
  • 3–6 PM68%(135 flights)
  • 6–9 PM78%(106 flights)
  • 9 PM–12 AM70%(190 flights)
On-time trend by month
71%
May

Jun 48% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202548%31
July 202543%30
August 202574%31
September 202597%30
October 202577%31
November 202573%30
December 202577%35
January 202676%41
February 202672%46
March 202665%37
April 202681%41
May 202671%48
Departures on time
70%
Diverted
0.5%
Flights flown
431
Months covered
12

Based on 442 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.